auth-styles.css
/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body Background with Tint and Blur */
body {
    font-family: 'Poppins', sans-serif;
    position: relative;
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    color: #333; /* Neutral text color */
}

body::before {
    content: '';
    position: fixed; /* Covers the entire viewport */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(rgba(56, 35, 96, 0.5), rgba(36, 58, 118, 0.6)), 
        url('background.png') no-repeat center center fixed;
    background-size: cover; /* Ensures the image covers the viewport */
    filter: blur(12px); /* Enhanced blur for a softer effect */
    z-index: -1; /* Places the pseudo-element behind content */
    background-blend-mode: overlay; /* Blends the gradient and image */
}

/* Header */
header {
    background: linear-gradient(to right, #5a3d99, #3964d6);
    color: white;
    text-align: center;
    padding: 20px 15px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
}

header h2 {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
}

/* Main Section */
main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Authentication Container */
.auth-container {
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 40px 30px;
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.auth-header {
    font-size: 2.2rem;
    color: #57c4e5;
    margin-bottom: 20px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Input Group */
.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.auth-label {
    font-size: 1rem;
    color: #666;
    margin-bottom: 5px;
    display: block;
}

.auth-input {
    width: 90%;
    padding: 15px;
    font-size: 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.auth-input:focus {
    border-color: #5db9d6;
    box-shadow: 0 0 8px rgba(93, 185, 214, 0.6);
}

/* Authentication Actions */
.auth-actions {
    margin-top: 20px;
}

.auth-button {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
    background: linear-gradient(to right, #5db9d6, #4e9db1);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.auth-button:hover {
    background: linear-gradient(to right, #4e9db1, #5db9d6);
    box-shadow: 0 4px 12px rgba(93, 185, 214, 0.5);
    transform: translateY(-2px);
}

.auth-link {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #57c4e5;
}

.auth-link a {
    color: #57c4e5;
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: linear-gradient(to right, #5a3d99, #243a76);
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    margin-top: 20px;
    position: sticky;
    bottom: 0;
    width: 100%;
}

footer p {
    margin: 0;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

footer:hover p {
    opacity: 1;
}

/* Responsiveness */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header h2 {
        font-size: 0.9rem;
    }

    .auth-container {
        padding: 20px;
    }

    .auth-header {
        font-size: 2rem;
    }

    footer {
        font-size: 0.8rem;
    }
}